[Organic_Gardening] Re: Concrete as garden borders
I am a horticulture student; we went on a tour of the research greenhouse at Colorado State University today. They have recycled chucks of concrete from an old greenhouse and have made grow beds in their tropical greenhouse. They lined each planter with pond lining to help keep the dirt from seeping out of the cracks between the chucks of concrete. They have had the beds for 6 years now and have no problem at all from lime seeping into the soil or plants.
Hope this helps you some.
June
Zone 5
Northern Colorado
--- In Organic_Gardening@yahoogroups.com, cynthia@... wrote:
>
> Hi Linn - after Jeff mentioned that the bags would not solidify entirely and leave pockets, I envisioned perfect little spaces for ant colonies and bees. Although the bees would be welcomed everything else would not be good. Now that your experience warns me to not use bags I can see that in a few years I would have a garden full of bad soil - 1/2 cement 1/2 clay. What a mess!
> Sent from my Verizon Wireless BlackBerry
>
> -----Original Message-----
> From: "Linn Bee" <smartredd@...>
> Sender: Organic_Gardening@yahoogroups.com
> Date: Fri, 11 Feb 2011 22:23:00
> To: <Organic_Gardening@yahoogroups.com>
> Reply-To: Organic_Gardening@yahoogroups.com
> Subject: [Organic_Gardening] Re: Concrete as garden borders
>
> From personal experience I can assure you there is no structural integrity in hardened bags of cement.
>
> I purchased 2 dozen bags to use in setting the foundation of my new garden shed. Three years later. . . . . the bags were hard, the paper covering was well degraded, and the cement was set up. I suggested moving the bags to my shade garden as a stepping stone walkway. The bag-shaped cement was crumbly rather than solid and most broke when I lifted them.
>
> Sounds logical, but sad to say, it's probably a bad idea.
>
> Love, Linn Bee
> Zone 5a - 4b
> South-est, central-est Wisconsin
>
> --- In Organic_Gardening@yahoogroups.com, "art_cy" <cynthia@> wrote: I was thinking of making retaining walls from stacked cement bags left to harden in place.
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